Definición de overdub en inglés:

verbo (overdubs, overdubbing, overdubbed)

Later in that same decade, he began developing the concept of sound on sound recording, first painstakingly overdubbing part after part on a 78 rpm record cutting machine, and then later on magnetic tape.

Stella played all three parts overdubbing oboe, cor anglais and bass oboe.

But, a strange paradox: these eleven monks are overdubbed so as to create the effect of a much bigger choir.